Dimensional Tolerances
ISO 286-1 / NBR 6158Hole & ShaftIT01–IT18
Fundamental deviations per ISO 286-1 for holes (A–ZC) and shafts (a–zc), grades IT01–IT18, dimensional limits and fit classification (clearance, interference or transition).
mm
Hole
H
IT7
Enter diameter
Shaft
h
IT6
Enter diameter
Enter the nominal diameter to start the calculation
Supported range: 0 to 3150 mm